What is CVE-2026-5023?

CVE-2026-5023 is a medium-severity vulnerability in Dedeveloper23 Codebase-mcp, classified under Command Injection. CVSS score: 5.3/10. Published 2026-03-29.

How severe is CVE-2026-5023?

Medium severity. CVSS v3 base score is 5.3 out of 10.

RCE in Dedeveloper23 Codebase-mcp

CVE-2026-5023

A vulnerability has been found in DeDeveloper23 codebase-mcp up to 3ec749d237dd8eabbeef48657cf917275792fde6. This vulnerability affects the function getCodebase/getRemoteCodebase/saveCodebase of the file src/tools/codebase.ts of the compon…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.006 (70.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Dedeveloper23 Codebase-mcp — versions 3ec749d237dd8eabbeef48657cf917275792fde6

Weakness classification (CWE)

References

VDB-353907 | DeDeveloper23 codebase-mcp RepoMix codebase.ts saveCodebase os command injection (technical-description, vdb-entry)
VDB-353907 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Submit #778348 | DeDeveloper23 codebase-mcp <=1.0.0 Command Injection (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-5023?: CVE-2026-5023 is a medium-severity vulnerability in Dedeveloper23 Codebase-mcp, classified under Command Injection. CVSS score: 5.3/10. Published 2026-03-29.
How severe is CVE-2026-5023?: Medium severity. CVSS v3 base score is 5.3 out of 10.